| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 700 x 750 x 1180 mm | |
|---|---|---|
| Seat height range | 450 mm | |
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Backrest height | 780 mm | |
| Backrest width | 500 mm | |
| Armrest height above seat | 220 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Bent wood shell thickness | 12 mm | |
| Seat foam thickness | 80 mm | |
| Backrest foam thickness | 50 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net weight range | 23 kg | |
|---|---|---|
| Recommended maximum user weight | 150 kg | |
| Seat static load capacity | 1136 kg | |
| Backrest cyclic durability | 120000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 35 kg/m³ | |
| Seam stitch pitch | 8 mm | |
| Net product weight | 23 kg | |
| Backrest cyclic tilt durability | 120000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Black smooth faux leather (PU) | |
|---|---|---|
| Seat cushion core | High-resilience polyurethane foam | |
| Backrest cushion core | Medium-density polyurethane foam | |
| Side support shell | Walnut-veneer laminated bent plywood | |
| Armrest pads | Padded PU-molded armrests integrated with wood shell | |
| Five-star base | Polished chrome-plated steel tube | |
| Gas lift | Class 3 carbon steel gas lift | |
| Tilt mechanism | 2.5mm thick steel plate tilt mechanism | |
| Casters | Black nylon twin-wheel casters | |
| Inner seat frame | 1.2mm thick steel welded frame | |
| Inner seat support frame | 1.2mm thick welded carbon steel tube frame, anti-rust phosphate treatment | |
| Upholstery backing | 100g/m² non-woven fabric interlayer between foam and upholstery |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° horizontal rotation enabled by central gas lift and swivel mechanism | |
|---|---|---|
| Seat height adjustment | Pneumatic height adjustment with 100mm stroke, controlled by lever under seat right side | |
| Backrest tilt function | Synchro-tilt with 15° maximum backward recline, lockable in upright position | |
| Mobility | Five twin-wheel casters allow smooth rolling on hard floor surfaces | |
| Fixed armrest support | Integrated curved padded armrests provide 220mm height support for forearms during typing | |
| Ergonomic back support | Segmented padded high back provides lumbar, thoracic, and upper back support | |
| Weight-activated tension control | Adjustable tilt tension knob under seat modulates recline resistance to match user weight | |
| Tilt tension adjustment | Weight-activated tension control knob under front of seat, adjustable recline resistance 150 kg user weight range | |
| Hard-floor mobility | Five twin-wheel nylon casters enable smooth rolling on hard floor surfaces with 150kg total load rating | |
| Stable anti-tip design | 700mm diameter five-star base provides 15° lateral tilt stability without tipping under standard use | |
| Tilt mechanism plate thickness | 2.5 mm | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions |
Verified carton / gross weight / assembly / loading data
| Number of packages | 1 | |
|---|---|---|
| Carton dimensions | 760 x 660 x 680 mm | |
| Gross weight per package | 26 kg | |
| Packaging volume (CBM) | 0.34 | |
| Assembly time | 30 minutes | |
| 40HQ container loading quantity | 210 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set |
Recommended spaces / users / usage modes
| Executive private offices | Suitable for manager and executive workspaces, high-back design supports long-duration seated work with professional aesthetic | |
|---|---|---|
| Corporate boardrooms | Appropriate for conference room seating around meeting tables, swivel and tilt function supports multi-directional discussion movement | |
| Home executive offices | Suitable for premium home workspaces, wood veneer accent complements residential office decor | |
| High-end reception areas | Usable for visitor seating in executive reception zones, padded support ensures guest comfort during extended meetings | |
| Hard floor environments | Nylon casters are suitable for concrete, tile, and polished wood floors without additional floor mats | |
| Users 160-190cm tall | Seat depth and back height dimensioned to support adults in the specified height range for ergonomic posture | |
| Premium home executive offices | Suitable for high-end residential workspaces, walnut veneer side shell complements traditional and modern home office decor styles | |
| Executive reception areas | Usable for senior visitor seating in executive reception zones, thick padded support ensures guest comfort during extended 30+ minute meetings |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Recommended standard for office chair dimensional and safety requirements, applies to ergonomic clearance and stability checks | |
|---|---|---|
| EN 1335-2:2018 | Recommended standard for office chair mechanical strength and durability, applies to cyclic load and stability testing | |
| EN 1335-3:2018 | Recommended standard for office chair test methods, aligns with acceptance inspection procedures |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Recommended standard for general-purpose office chairs, applies to static load, durability, and stability acceptance criteria |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Recommended standard for office furniture chair dimensions, applies to overall and component size verification during procurement | |
|---|---|---|
| GB/T 10357.3-2013 | Recommended standard for chair strength and durability testing, applies to seat, backrest, and armrest load verification | |
| GB/T 10357.2-2013 | Recommended standard for chair stability testing, applies to forward, rearward and lateral tip resistance verification for commercial seating |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Recommended standard for office furniture chair dimensions, applies to overall and component size verification during procurement; 2. GB/T 10357.3-2013: Recommended standard for chair strength and durability testing, applies to seat, backrest, and armrest load verification; 3. GB/T 10357.2-2013: Recommended standard for chair stability testing, applies to forward, rearward and lateral tip resistance verification for commercial seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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